Graph the system of inequalities, and find the coordinates of the vertices.3y + x ? -6,y + 2x ? 8,y ? 0,x ? 0
A. 
B. 
C. 
D. 
Answer: D
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Solve for x.3-2x + 6 = 9
A. {-2} B. {2} C. {3} D. {-3}
Solve the problem.Ron throws a ball straight up with an initial velocity of 60 feet per second from a height of 3 feet. Find parametric equations that describe the motion of the ball as a function of time. How long is the ball in the air? When is the ball at its maximum height? What is the maximum height of the ball?
A. x = 0; y = -16t2 + 60t + 3; 7.599 sec; 1.875 sec; 56.25 feet B. x = 0; y = -16t2 + 60t + 3; 3.699 sec; 1.875 sec; 3.018 feet C. x = 0; y = -16t2 + 60t + 3; 3.799 sec; 1.875 sec; 59.25 feet D. x = 0; y = -16t2 + 60t + 3; 7.399 sec; 1.875 sec; 440.862 feet
Divide. Write the answer as a mixed number as needed.3
÷ 2
A. 1
B. 1
C. 2
D. 1
Solve the problem.Michael decides to walk to the mall to do some errands. He leaves home, walks 5 blocks in 16 minutes at a constant speed, and realizes that he forgot his wallet at home. So Michael runs back in 12 minutes. At home, it takes him 3 minutes to find his wallet and close the door. Michael walks 3 blocks in 12 minutes and then decides to jog to the mall. It takes him 10 minutes to get to the mall which is 4 blocks away. Draw a graph of Michael's distance from home (in blocks) as a function of time. 
What will be an ideal response?